diff options
| author | Jørgen P. Tjernø <[email protected]> | 2013-12-02 20:29:51 -0800 |
|---|---|---|
| committer | Jørgen P. Tjernø <[email protected]> | 2013-12-02 20:29:51 -0800 |
| commit | b00fad8cd0db02ebc326f494010ae63bed9a8573 (patch) | |
| tree | 0116ea91e9dac5204821abef628a21fdfdae9999 /sp/src | |
| parent | Fix line endings. WHAMMY. (diff) | |
| download | source-sdk-2013-b00fad8cd0db02ebc326f494010ae63bed9a8573.tar.xz source-sdk-2013-b00fad8cd0db02ebc326f494010ae63bed9a8573.zip | |
Fix IceKey.H to be a text file too.
Diffstat (limited to 'sp/src')
| -rw-r--r-- | sp/src/public/mathlib/IceKey.H | 124 |
1 files changed, 62 insertions, 62 deletions
diff --git a/sp/src/public/mathlib/IceKey.H b/sp/src/public/mathlib/IceKey.H index 635482ab..f8641d06 100644 --- a/sp/src/public/mathlib/IceKey.H +++ b/sp/src/public/mathlib/IceKey.H @@ -1,62 +1,62 @@ -// Purpose: Header file for the C++ ICE encryption class.
-// Taken from public domain code, as written by Matthew Kwan - July 1996
-// http://www.darkside.com.au/ice/
-
-#ifndef _IceKey_H
-#define _IceKey_H
-
-/*
-The IceKey class is used for encrypting and decrypting 64-bit blocks of data
-with the ICE (Information Concealment Engine) encryption algorithm.
-
-The constructor creates a new IceKey object that can be used to encrypt and decrypt data.
-The level of encryption determines the size of the key, and hence its speed.
-Level 0 uses the Thin-ICE variant, which is an 8-round cipher taking an 8-byte key.
-This is the fastest option, and is generally considered to be at least as secure as DES,
-although it is not yet certain whether it is as secure as its key size.
-
-For levels n greater than zero, a 16n-round cipher is used, taking 8n-byte keys.
-Although not as fast as level 0, these are very very secure.
-
-Before an IceKey can be used to encrypt data, its key schedule must be set with the set() member function.
-The length of the key required is determined by the level, as described above.
-
-The member functions encrypt() and decrypt() encrypt and decrypt respectively data
-in blocks of eight chracters, using the specified key.
-
-Two functions keySize() and blockSize() are provided
-which return the key and block size respectively, measured in bytes.
-The key size is determined by the level, while the block size is always 8.
-
-The destructor zeroes out and frees up all memory associated with the key.
-*/
-
-class IceSubkey;
-
-class IceKey {
- public:
- IceKey (int n);
- ~IceKey ();
-
- void set (const unsigned char *key);
-
- void encrypt (const unsigned char *plaintext,
- unsigned char *ciphertext) const;
-
- void decrypt (const unsigned char *ciphertext,
- unsigned char *plaintext) const;
-
- int keySize () const;
-
- int blockSize () const;
-
- private:
- void scheduleBuild (unsigned short *k, int n,
- const int *keyrot);
-
- int _size;
- int _rounds;
- IceSubkey *_keysched;
-};
-
-#endif
+// Purpose: Header file for the C++ ICE encryption class. +// Taken from public domain code, as written by Matthew Kwan - July 1996 +// http://www.darkside.com.au/ice/ + +#ifndef _IceKey_H +#define _IceKey_H + +/* +The IceKey class is used for encrypting and decrypting 64-bit blocks of data +with the ICE (Information Concealment Engine) encryption algorithm. + +The constructor creates a new IceKey object that can be used to encrypt and decrypt data. +The level of encryption determines the size of the key, and hence its speed. +Level 0 uses the Thin-ICE variant, which is an 8-round cipher taking an 8-byte key. +This is the fastest option, and is generally considered to be at least as secure as DES, +although it is not yet certain whether it is as secure as its key size. + +For levels n greater than zero, a 16n-round cipher is used, taking 8n-byte keys. +Although not as fast as level 0, these are very very secure. + +Before an IceKey can be used to encrypt data, its key schedule must be set with the set() member function. +The length of the key required is determined by the level, as described above. + +The member functions encrypt() and decrypt() encrypt and decrypt respectively data +in blocks of eight chracters, using the specified key. + +Two functions keySize() and blockSize() are provided +which return the key and block size respectively, measured in bytes. +The key size is determined by the level, while the block size is always 8. + +The destructor zeroes out and frees up all memory associated with the key. +*/ + +class IceSubkey; + +class IceKey { + public: + IceKey (int n); + ~IceKey (); + + void set (const unsigned char *key); + + void encrypt (const unsigned char *plaintext, + unsigned char *ciphertext) const; + + void decrypt (const unsigned char *ciphertext, + unsigned char *plaintext) const; + + int keySize () const; + + int blockSize () const; + + private: + void scheduleBuild (unsigned short *k, int n, + const int *keyrot); + + int _size; + int _rounds; + IceSubkey *_keysched; +}; + +#endif |